The PGA Tour majors are done for the year, and now many of the top golfers will chase international glory when the 2020 Tokyo Olympics men's golf tournament tees off Thursday. The event at Kasumigaseki Country Club will be without top names Jon Rahm and Bryson DeChambeau, who tested positive for COVID-19. But newly-minted British Open champion Collin Morikawa of the USA, Ireland's Rory McIlroy and Japanese hero Hideki Matsuyama will be among many stars in the Olympics 2020 golf field in Saitama.

Team USA has the top three spots in the latest 2020 Tokyo Olympics golf odds. William Hill Sportsbook lists Morikawa as the 7-1 favorite, followed by Xander Schauffele (9-1) and Justin Thomas (10-1). Norway's Viktor Hovland and McIlroy are at 12-1, followed by Masters champion Matsuyama (14-1). Patrick Reed (18-1) has replaced DeChambeau with Team USA. (To keep up with how the Americans are faring at Olympics 2020, check out our medal tracker)  

Before you consider your 2020 Tokyo Olympics golf picks or make any Olympics 2020 predictions, you HAVE TO see who golf insider Sal Johnson is backing.

A media legend and consummate golf insider, Johnson knows what it takes to win and how players fit the courses. 

Before last week's 3M Open, the golf guru locked Charl Schwartzel and Louis Oosthuizen into his three picks to win. Oosthuizen had never played the event, while Schwartzel came in with just two top-10 finishes in 23 events this season. 

"Since the Masters, he has been very consistent," Johnson said of Schwartzel, "and he finished T-3 at Byron Nelson on a course just like TPC Twin Cities."

Neither golfer shot worse than 69 all week, and though they couldn't track down winner Cameron Champ, they finished in a three-way tie for second with Jhonattan Vegas at 13 under par. 

Before the British Open, the expert pegged  Morikawa among his players who were a good fit for Royal St. George's and touted him as the best ball-striker in the field. Johnson knew the 24-year-old could win if he could "overcome his poor putting." He did just that, saving par several times to win his second major championship.   

Johnson also has a strong feel for when momentum will propel a player to victory. Before the U.S. Open, he tabbed  Rahm among his best bets to win and touted Oosthuizen at 45-1 as his top long-shot candidate. Rahm and Oosthuizen battled to the finish, with Rahm surging to his first major title.

Johnson has been on fire all season! Before the Memorial, he had Rahm and Morikawa listed among his best bets. Rahm had a six-stroke lead after the third round but had to withdraw, and Morikawa  dueled to the  end with Patrick Cantlay before falling in a playoff. Anyone who has followed Johnson's advice has cashed in HUGE!  

Now Johnson, the first producer of "Inside the PGA Tour," a longtime ABC Sports golf producer who worked with Jack Nicklaus, Arnold Palmer and Greg Norman, and the founder of the world's top golf stats database, has released his highly confident 2020 Tokyo Olympics golf picks, and they will surprise you. (For golf updates and news, click here)  

Shockingly, the golf expert is slightly fading Xander Schauffele, who comes in as the second favorite for gold! Schauffele has finished in the top three four times this season on the PGA Tour but has yet to win. He does have five worldwide victories, and his statistics are among the best on tour, but he hasn't won in well over two years. Johnson sees much better options to grab gold and isn't listing Schauffele in his top contenders!

Instead, Johnson is backing a MASSIVE long shot who comes in at more than 60-1! This international player comes in hot and has a strong combination of driving ability and accuracy into the greens. If he can get hot with the putter, this long-shot definitely can pull off a SHOCKING victory! Anyone who backs this underdog could cash in HUGE!

Who wins the 2020 Tokyo Olympics men's golf competition? Where do Collin Morikawa and Patrick Reed finish? And which MONSTER long shot is a MUST-BACK? ... Join SportsLine now to see Sal Johnson's full leaderboard and picks for 2020 Tokyo Olympics golf, all from the insider who knows how to win on the PGA Tour!